ref: 7b67e7296ad1d427672a7b0c29f0c7411d01d90f dir: /constants/gfx_constants.asm/
LEN_2BPP_TILE EQU 16 LEN_1BPP_TILE EQU 8 TILES_PER_FRAME EQU 6 TILESIZE EQU $10